Drainage panel



FIG. 1 is a front elevational view of the drainage panel showing my new design, the rear view being identical thereto;

FIG. 2 is a right side elevational view, the left side elevational view being identical thereof;

FIG. 3 is a fragmentary sectional view of an interior portion, taken along line 3—3 of FIG. 1;

FIG. 4 is a bottom plan view; and,

FIG. 5 is a top plan view. 

The ornamental design for a drainage panel, as shown and described. 